Home / 12,461,192.60-18,694,316.10-7,072,424.60

Finding the Fourth Proportional to 12,461,192.60, 18,694,316.10 and 7,072,424.60

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Solution

The fourth proportional to 12,461,192.60, 18,694,316.10 and 7,072,424.60 is: 10,610,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,192.60 : 18,694,316.10 = 7,072,424.60 : x
  2. Step 2: Convert to fraction form
    12,461,192.60/18,694,316.10 = 7,072,424.60/x
  3. Step 3: Cross multiply
    12,461,192.60x = 18,694,316.10 × 7,072,424.60
  4. Step 4: Simplify right side
    12,461,192.60x = 132,214,141,065,816.06
  5. Step 5: Solve for x
    x = 132,214,141,065,816.06/12,461,192.60
  6. Step 6: Final answer
    x = 10,610,071.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.